random problems resolving domains

[Kevin Darcy]

There's really not a lot to go on there. The only suggestion I have is to turn
on some debugging.


- Kevin

xcuuuzu wrote:

> We're experiencing some occasional lookup issues on our internal
> DNS servers (ie, the ones behind the firewall).
> Occasionally, the name server will fail to be able to lookup
> certain domains that it is not authoritive for.  During normal
> operations, if my local domain is corp.company.com, and I try to
> lookup company.com, I get the correct IP address of
> the co-located (ie, not in the same building) server.  The
> internal IP address space is 172.20/16.  However, when things
> fail, it's unable to resolve company.com at all until I 'kill -9'
> named and then restart it.  I've tried to note any time issue
> here, but it seems to be unrelated to any timeout - the errors
> will occur anytime between 2 days to 3 weeks (or longer).  The
> log files don't report any errors before (or during) the time
> that lookups fail. There are no connectivity issues either.
>
> I thought that this was a config error on my part, and I've
> reread the entire O'Reilly book several times without success.
> However, at the end of December, my company merged with another,
> and they're seeing the same issues too, but with a
> 192.168.x/24 internal network.  Also, the network it can't lookup
> is othercompany.net, as opposed to othercompany.com on their
> internal network.  We're both using bind 8.2.2P5.
>
> Suggestions?  Thanks,
>
> Hans Hohenner
>
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